20141040 has 40 divisors (see below), whose sum is σ = 62437968. Its totient is φ = 5370880.

The previous prime is 20141021. The next prime is 20141047. The reversal of 20141040 is 4014102.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×20141040³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20141047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41721 + ... + 42200.

Almost surely, 2^20141040 is an apocalyptic number.

20141040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20141040 is an abundant number, since it is smaller than the sum of its proper divisors (42296928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20141040 is a wasteful number, since it uses less digits than its factorization.

20141040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83937 (or 83931 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 20141040 is about 4487.8770036622. The cubic root of 20141040 is about 272.0783367215.

Adding to 20141040 its reverse (4014102), we get a palindrome (24155142).

The spelling of 20141040 in words is "twenty million, one hundred forty-one thousand, forty".